Results 81 to 90 of about 1,107 (154)

Generalized η-Ricci solitons on f-Kenmotsu 3-manifolds associated to the Schoutenvan Kampen connection [PDF]

AUT Journal of Mathematics and Computing
In this paper, we investigate f-Kenmotsu 3-dimensional manifolds admitting generalized η-Ricci solitons with respect to the Schouten-van Kampen connection.
Shahroud Azami
doaj   +1 more source

Almost α-Cosymplectic Pseudo Metric Manifolds

Journal of Mathematics, 2021
The main purpose of this paper is to study almost α-cosymplectic pseudo metric manifold satisfying certain η-parallel tensor fields. We first focus on the concept of almost α-cosymplectic pseudo metric manifold and its curvature properties.
Sermin Öztürk, Hakan Öztürk
doaj   +1 more source

On para-Kenmotsu manifolds

Filomat, 2018
In this paper we study para-Kenmotsu manifolds. We characterize this manifolds by tensor equations and study their properties. We are devoted to a study of ?-Einstein manifolds. We show that a locally conformally flat para-Kenmotsu manifold is a space of constant negative sectional curvature -1 and we prove that if a para-Kenmotsu manifold ...
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*-Ricci soliton on (κ, μ)′-almost Kenmotsu manifolds

Open Mathematics, 2019
Let (M, g) be a non-Kenmotsu (κ, μ)′-almost Kenmotsu manifold of dimension 2n + 1. In this paper, we prove that if the metric g of M is a *-Ricci soliton, then either M is locally isometric to the product ℍn+1(−4)×ℝn or the potential vector field is ...
Dai Xinxin, Zhao Yan, Chand De Uday
doaj   +1 more source

Contractibility of homogeneous Kenmotsu manifolds

European Journal of Mathematics, 2023
AbstractWe prove that every homogeneous Kenmotsu manifold is a contractible space.
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On \phi-Recurrent Kenmotsu Manifolds

Turkish Journal of Mathematics, 2009
The object of this paper is to study phi-recurrent Kenmotsu manifolds. Also three-dimensional locally phi-recurrent Kenmotsu manifolds have been considered. Among others it is proved that a locally phi-recurrent Kenmotsu spacetime is the Robertson-Walker spacetime. Finally we give a concrete example of three-dimensional Kenmotsu manifold.
FUNDA YALINIZ, AHMET YILDIZ, UDAY CHAND DE   +2 more
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LP-Kenmotsu Manifolds Admitting Bach Almost Solitons

Universal Journal of Mathematics and Applications
For a Lorentzian para-Kenmotsu manifold of dimension $m$ (briefly, ${(LPK)_{m}}$) admitting Bach almost soliton $(g,\zeta,\lambda)$, we explored the characteristics of the norm of Ricci operator. Besides, we gave the necessary condition for ${(LPK)_{m}}
Mohd Bilal, Vindhyachal Singh Yadav, Abhinav Verma, Rajendra Prasad, Abdul Haseeb   +4 more
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Quarter-symmetric metric connection on a p-Kenmotsu manifold

Cubo
In the present paper we study para-Kenmotsu (p-Kenmotsu) manifold equipped with quarter-symmetric metric connection and discuss certain derivation conditions.
Bhawana Chaube, S. K. Chanyal
doaj   +1 more source

On nonexistence of Kenmotsu structure on аст-hypersurfaces of cosymplectic type of a Kählerian manifold

Дифференциальная геометрия многообразий фигур, 2019
Almost contact metric (аст-)structures induced on oriented hypersur­fa­ces of a Kählerian manifold are considered in the case when these аст-struc­tures are of cosymplectic type, i. e. the contact form of these struc­tu­res is closed. As it is known, the
G. Banaru
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Casorati Inequalities for Statistical Submanifolds in Kenmotsu Statistical Manifolds of Constant ϕ-Sectional Curvature with Semi-Symmetric Metric Connection. [PDF]

Entropy (Basel), 2022
Decu S, Vîlcu GE.
europepmc   +1 more source